FLEXURAL STRESS ANALYSIS OF RIGID PAVEMENTS USING AXI-SYMMETRIC AND PLANE STRAIN FEM
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Keywords

Pavement
axi-symmetric
plane strain

Abstract

The design of pavement involves a study of soils and paving materials, their response under load for different climatic conditions. In the present study, an attempt has been made to compare stresses predicted using two finite element analyses. First analysis is based on the twodimensional plane strain assumption where as in second approach axi-symmetric condition is assumed to consider three-dimensional behavior of rigid pavement. The results are compared with flexural stresses obtained from conventional Portland Cement Association method. The computed flexural stresses obtained from axi-symmetric condition are found to be in close agreement with PCA method. Results of plane strain analysis show a fair agreement after application of an appropriate multiplication factor

 

 

https://doi.org/10.29037/ajstd.218
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References

Bowles Joseph E. (1988), Foundation Analysis and Design, 4th edition, McGraw Hill.

Putuappa, C.G., Muthu, K.U., Anjaneya Murthy, D.S., and Veeraragavan, A. (2002), Flexural Stress Analysis of Rigid Pavements Using NISA, Proceedings of National Seminar on Road Transportation in India: Emerging Trends and Techniques, September 12-13, IIT Kharagpur, India: 1.13-1.20

Yoder, E.J. and Witzak, M.W. (1975), Principles of Pavement Design, 2nd edition, John Wiley and Sons.

Copyright (c) 2017 V.A. Sawant, M.S. Norazzlina

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